13531202135 has 8 divisors (see below), whose sum is σ = 17713573776. Its totient is φ = 9840874240.

The previous prime is 13531202129. The next prime is 13531202141. The reversal of 13531202135 is 53120213531.

It is an interprime number because it is at equal distance from previous prime (13531202129) and next prime (13531202141).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13531202135 - 2¹⁰ = 13531201111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123010874 + ... + 123010983.

It is an arithmetic number, because the mean of its divisors is an integer number (2214196722).

Almost surely, 2^13531202135 is an apocalyptic number.

13531202135 is a deficient number, since it is larger than the sum of its proper divisors (4182371641).

13531202135 is a wasteful number, since it uses less digits than its factorization.

13531202135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246021873.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 13531202135 its reverse (53120213531), we get a palindrome (66651415666).

The spelling of 13531202135 in words is "thirteen billion, five hundred thirty-one million, two hundred two thousand, one hundred thirty-five".